286 static int __meminit online_page_ext(unsigned long start_pfn,  in online_page_ext()  argument
293 	start = SECTION_ALIGN_DOWN(start_pfn);  in online_page_ext()
294 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in online_page_ext()
302 		nid = pfn_to_nid(start_pfn);  in online_page_ext()
318 static int __meminit offline_page_ext(unsigned long start_pfn,  in offline_page_ext()  argument
323 	start = SECTION_ALIGN_DOWN(start_pfn);  in offline_page_ext()
324 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in offline_page_ext()
340 		ret = online_page_ext(mn->start_pfn,  in page_ext_callback()
344 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
348 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
372 		unsigned long start_pfn, end_pfn;  in page_ext_init()  local
374 		start_pfn = node_start_pfn(nid);  in page_ext_init()
381 		for (pfn = start_pfn; pfn < end_pfn;  in page_ext_init()